/// <summary>
/// Handles the Click event of the Conditions_RefreshMI control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void Conditions_RefreshMI_Click(object sender, EventArgs e)
{
try
{
CallMethodRequest request = new CallMethodRequest();
request.ObjectId = ObjectTypeIds.ConditionType;
request.MethodId = MethodIds.ConditionType_ConditionRefresh;
request.InputArguments.Add(new Variant(m_subscription.Id));
CallMethodRequestCollection methodsToCall = new CallMethodRequestCollection();
methodsToCall.Add(request);
CallMethodResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
m_session.Call(
null,
methodsToCall,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, methodsToCall);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, methodsToCall);
if (StatusCode.IsBad(results[0].StatusCode))
{
throw ServiceResultException.Create((uint)results[0].StatusCode, "Unexpected error calling RefreshConditions.");
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
private bool PublishOneNode(NodeIdInfo nodeIdInfo)
{
string logPrefix = $"{_logClassPrefix}:PublishOneNode:";
try
{
int retryCount = 0;
int maxRetries = 3;
while (retryCount < maxRetries)
{
VariantCollection inputArguments = new VariantCollection()
{
nodeIdInfo.Id,
TestserverUrl
};
CallMethodRequestCollection requests = new CallMethodRequestCollection();
CallMethodResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
CallMethodRequest request = new CallMethodRequest();
request.ObjectId = new NodeId("Methods", 2);
request.MethodId = new NodeId("PublishNode", 2);
request.InputArguments = inputArguments;
requests.Add(request);
ResponseHeader responseHeader = _session.Call(null, requests, out results, out diagnosticInfos);
if (results[0].StatusCode == StatusCodes.BadSessionNotActivated)
{
retryCount++;
Logger.Warning($"{logPrefix} need to retry to publish node, since session is not yet activated (nodeId: '{nodeIdInfo.Id}', retry: '{retryCount}')");
Task.Delay(MaxShortWaitSec * 1000).Wait();
continue;
}
if (!nodeIdInfo.Published && StatusCode.IsBad(results[0].StatusCode))
{
Logger.Warning($"{logPrefix} failed (nodeId: '{nodeIdInfo.Id}', published: '{nodeIdInfo.Published}')");
return(false);
}
else
{
nodeIdInfo.Published = true;
Logger.Verbose($"{logPrefix} succeeded (nodeId: '{nodeIdInfo.Id}', error: '{results[0].StatusCode}'");
return(true);
}
}
}
catch (Exception e)
{
Logger.Fatal(e, $"{logPrefix} Exception");
}
Logger.Warning($"{logPrefix} failed (nodeId: '{nodeIdInfo.Id}', published: '{nodeIdInfo.Published}')");
return(false);
}
/// <summary>
/// Adds a comment to the selected conditions.
/// </summary>
/// <param name="methodId">The NodeId for the method to call.</param>
/// <param name="comment">The comment to pass as an argument.</param>
private void CallMethod(NodeId methodId, string comment)
{
// build list of methods to call.
CallMethodRequestCollection methodsToCall = new CallMethodRequestCollection();
for (int ii = 0; ii < ConditionsLV.SelectedItems.Count; ii++)
{
ConditionState condition = (ConditionState)ConditionsLV.SelectedItems[ii].Tag;
CallMethodRequest request = new CallMethodRequest();
request.ObjectId = condition.NodeId;
request.MethodId = methodId;
request.Handle = ConditionsLV.SelectedItems[ii];
if (comment != null)
{
request.InputArguments.Add(new Variant(condition.EventId.Value));
request.InputArguments.Add(new Variant((LocalizedText)comment));
}
methodsToCall.Add(request);
}
if (methodsToCall.Count == 0)
{
return;
}
// call the methods.
CallMethodResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
m_session.Call(
null,
methodsToCall,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, methodsToCall);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, methodsToCall);
for (int ii = 0; ii < results.Count; ii++)
{
if (StatusCode.IsBad(results[ii].StatusCode))
{
ListViewItem item = (ListViewItem)methodsToCall[ii].Handle;
item.SubItems[8].Text = Utils.Format("{0}", results[ii].StatusCode);
}
}
}
/// <summary>
/// Responds to the dialog.
/// </summary>
private void Respond(int selectedResponse)
{
// build list of dialogs to respond to (caller should always make sure that only one is selected).
CallMethodRequestCollection methodsToCall = new CallMethodRequestCollection();
for (int ii = 0; ii < ConditionsLV.SelectedItems.Count; ii++)
{
DialogConditionState dialog = ConditionsLV.SelectedItems[ii].Tag as DialogConditionState;
if (dialog == null)
{
continue;
}
CallMethodRequest request = new CallMethodRequest();
request.ObjectId = dialog.NodeId;
request.MethodId = MethodIds.DialogConditionType_Respond;
request.InputArguments.Add(new Variant(selectedResponse));
request.Handle = ConditionsLV.SelectedItems[ii];
methodsToCall.Add(request);
}
if (methodsToCall.Count == 0)
{
return;
}
// call the methods.
CallMethodResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
m_session.Call(
null,
methodsToCall,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, methodsToCall);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, methodsToCall);
for (int ii = 0; ii < results.Count; ii++)
{
if (StatusCode.IsBad(results[ii].StatusCode))
{
ListViewItem item = (ListViewItem)methodsToCall[ii].Handle;
item.SubItems[8].Text = Utils.Format("{0}", results[ii].StatusCode);
}
}
}
protected override PublishedNodesCollection GetPublishedNodesLegacy(string endpointUrl, CancellationToken ct)
{
string logPrefix = $"{_logClassPrefix}:GetPublishedNodesLegacy:";
PublishedNodesCollection nodeList = null;
VariantCollection inputArgumentsTestserver = new VariantCollection()
{
""
};
try
{
CallMethodRequestCollection requests = new CallMethodRequestCollection();
CallMethodResultCollection results = new CallMethodResultCollection();
DiagnosticInfoCollection diagnosticInfos = null;
CallMethodRequest request = new CallMethodRequest
{
ObjectId = new NodeId("Methods", 2),
MethodId = new NodeId("GetPublishedNodes", 2),
};
request.InputArguments = inputArgumentsTestserver;
requests.Add(request);
try
{
ResponseHeader responseHeader = _session.Call(null, requests, out results, out diagnosticInfos);
}
catch (Exception e)
{
Logger.Fatal(e, $"{logPrefix} Exception");
}
if (StatusCode.IsBad(results[0].StatusCode))
{
Logger.Warning($"{logPrefix} call was not successfull (status: '{results[0].StatusCode}'");
}
else
{
if (results?[0]?.OutputArguments.Count == 1)
{
string stringResult = results[0].OutputArguments[0].ToString();
int jsonStartIndex = stringResult.IndexOf("[", StringComparison.InvariantCulture);
int jsonEndIndex = stringResult.LastIndexOf("]", StringComparison.InvariantCulture);
nodeList = JsonConvert.DeserializeObject <PublishedNodesCollection>(stringResult.Substring(jsonStartIndex, jsonEndIndex - jsonStartIndex + 1));
}
}
}
catch (Exception e)
{
Logger.Fatal(e, $"{logPrefix} Exception");
}
return(nodeList);
}
/// <summary>
/// Invokes the Call service.
/// </summary>
public virtual ResponseHeader Call(
RequestHeader requestHeader,
CallMethodRequestCollection methodsToCall,
out CallMethodResultCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
results = null;
diagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
return(CreateResponse(requestHeader, StatusCodes.BadServiceUnsupported));
}
protected override void CallUnknownMethod(CancellationToken ct)
{
string logPrefix = $"{_logClassPrefix}:CallUnknownMethod:";
VariantCollection inputArgumentsMethodCall = new VariantCollection()
{
"UnknownMethod",
};
try
{
CallMethodRequestCollection requests = new CallMethodRequestCollection();
CallMethodResultCollection results = new CallMethodResultCollection();
DiagnosticInfoCollection diagnosticInfos = null;
CallMethodRequest request = new CallMethodRequest
{
ObjectId = new NodeId("Methods", 2),
MethodId = new NodeId("IoTHubDirectMethod", 2),
};
request.InputArguments = inputArgumentsMethodCall;
requests.Add(request);
try
{
ResponseHeader responseHeader = _session.Call(null, requests, out results, out diagnosticInfos);
}
catch (Exception e)
{
Logger.Fatal(e, $"{logPrefix} Exception");
}
if (StatusCode.IsBad(results[0].StatusCode))
{
Logger.Warning($"{logPrefix} call was not successfull (status: '{results[0].StatusCode}'");
}
}
catch (Exception e)
{
Logger.Fatal(e, $"{logPrefix} Exception");
}
}
private bool UnpublishOneNode(NodeIdInfo nodeIdInfo, string endpointUrl = null)
{
string logPrefix = $"{_logClassPrefix}:UnpublishOneNode:";
try
{
VariantCollection inputArguments = new VariantCollection()
{
nodeIdInfo.Id,
endpointUrl ?? TestserverUrl
};
CallMethodRequestCollection requests = new CallMethodRequestCollection();
CallMethodResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
CallMethodRequest request = new CallMethodRequest();
request.ObjectId = new NodeId("Methods", 2);
request.MethodId = new NodeId("UnpublishNode", 2);
request.InputArguments = inputArguments;
requests.Add(request);
ResponseHeader responseHeader = _session.Call(null, requests, out results, out diagnosticInfos);
if (nodeIdInfo.Published && StatusCode.IsBad(results[0].StatusCode))
{
Logger.Warning($"{logPrefix} failed (nodeId: '{nodeIdInfo.Id}', published: '{nodeIdInfo.Published}')");
return(false);
}
else
{
nodeIdInfo.Published = false;
Logger.Verbose($"{logPrefix} succeeded (nodeId: '{nodeIdInfo.Id}', error: '{results[0].StatusCode}'");
return(true);
}
}
catch (Exception e)
{
Logger.Fatal(e, $"{logPrefix} Exception");
}
return(false);
}
/// <summary>
/// Invokes the Call service.
/// </summary>
public virtual ResponseHeader Call(
RequestHeader requestHeader,
CallMethodRequestCollection methodsToCall,
out CallMethodResultCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
results = null;
diagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
return CreateResponse(requestHeader, StatusCodes.BadServiceUnsupported);
}
/// <summary>
/// Confirms the selected conditions.
/// </summary>
private void Shelve(bool shelving, bool oneShot, double shelvingTime)
{
// build list of methods to call.
CallMethodRequestCollection methodsToCall = new CallMethodRequestCollection();
for (int ii = 0; ii < ConditionsLV.SelectedItems.Count; ii++)
{
ConditionState condition = (ConditionState)ConditionsLV.SelectedItems[ii].Tag;
// check if the node supports shelving.
BaseObjectState shelvingState = condition.FindChild(m_session.SystemContext, BrowseNames.ShelvingState) as BaseObjectState;
if (shelvingState == null)
{
continue;
}
CallMethodRequest request = new CallMethodRequest();
request.ObjectId = shelvingState.NodeId;
request.Handle = ConditionsLV.SelectedItems[ii];
// select the method to call.
if (!shelving)
{
request.MethodId = MethodIds.ShelvedStateMachineType_Unshelve;
}
else
{
if (oneShot)
{
request.MethodId = MethodIds.ShelvedStateMachineType_OneShotShelve;
}
else
{
request.MethodId = MethodIds.ShelvedStateMachineType_TimedShelve;
request.InputArguments.Add(new Variant(shelvingTime));
}
}
methodsToCall.Add(request);
}
if (methodsToCall.Count == 0)
{
return;
}
// call the methods.
CallMethodResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
m_session.Call(
null,
methodsToCall,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, methodsToCall);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, methodsToCall);
for (int ii = 0; ii < results.Count; ii++)
{
if (StatusCode.IsBad(results[ii].StatusCode))
{
ListViewItem item = (ListViewItem)methodsToCall[ii].Handle;
item.SubItems[8].Text = Utils.Format("{0}", results[ii].StatusCode);
}
}
}
/// <summary>
/// Acknowledges one or more events.
/// </summary>
public int[] AcknowledgeEvents(
Session session,
string comment,
string acknowledgerId,
AeAcknowledgeRequest[] requests)
{
if (session == null || !session.Connected)
{
throw ComUtils.CreateComException(ResultIds.E_FAIL);
}
StringBuilder buffer = new StringBuilder();
buffer.Append('[');
buffer.Append(acknowledgerId);
buffer.Append(']');
if (!String.IsNullOrEmpty(comment))
{
buffer.Append(comment);
}
// wrap the comment once.
Variant commentToWrite = new Variant(new LocalizedText(buffer.ToString()));
int[] errors = new int[requests.Length];
CallMethodRequestCollection methodsToCall = new CallMethodRequestCollection();
for (int ii = 0; ii < requests.Length; ii++)
{
int cookie = requests[ii].Cookie;
AeEvent e = null;
lock (m_lock)
{
// look up the event.
if (!m_events.TryGetValue(cookie, out e))
{
errors[ii] = ResultIds.E_INVALIDARG;
if (cookie < m_counter)
{
errors[ii] = ResultIds.S_ALREADYACKED;
}
continue;
}
if (e.SourceName != requests[ii].SourceName)
{
errors[ii] = ResultIds.E_INVALIDARG;
continue;
}
if (e.ConditionName != requests[ii].ConditionName)
{
errors[ii] = ResultIds.E_INVALIDARG;
continue;
}
if (e.ActiveTime != requests[ii].ActiveTime)
{
errors[ii] = ResultIds.E_INVALIDTIME;
continue;
}
// check that the cookie is still valid.
string conditionId = GetConditionId(e);
int expectedCookie = 0;
if (!m_cookies.TryGetValue(conditionId, out expectedCookie))
{
errors[ii] = ResultIds.S_ALREADYACKED;
continue;
}
// check cookie.
if (expectedCookie != cookie)
{
errors[ii] = ResultIds.E_INVALIDARG;
continue;
}
m_events.Remove(cookie);
}
CallMethodRequest request = new CallMethodRequest();
request.MethodId = Opc.Ua.MethodIds.AcknowledgeableConditionType_Acknowledge;
request.ObjectId = e.ConditionId;
request.InputArguments.Add(new Variant(e.EventId));
request.InputArguments.Add(commentToWrite);
request.Handle = ii;
methodsToCall.Add(request);
}
if (methodsToCall.Count > 0)
{
try
{
// call the server.
CallMethodResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
session.Call(
null,
methodsToCall,
out results,
out diagnosticInfos);
// verify that the server returned the correct number of results.
ClientBase.ValidateResponse(results, methodsToCall);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, methodsToCall);
// process results.
for (int ii = 0; ii < methodsToCall.Count; ii++)
{
int index = (int)methodsToCall[ii].Handle;
if (StatusCode.IsBad(results[ii].StatusCode))
{
errors[ii] = ResultIds.E_FAIL;
continue;
}
}
}
catch (Exception)
{
// report error.
for (int ii = 0; ii < methodsToCall.Count; ii++)
{
int index = (int)methodsToCall[ii].Handle;
errors[ii] = ResultIds.E_FAIL;
}
}
}
return(errors);
}
/// <summary>
/// Reads the attributes, verifies the results and updates the nodes.
/// </summary>
private bool Call(CallMethodRequestCollection methodsToCall)
{
Opc.Ua.Test.DataComparer comparer = new Opc.Ua.Test.DataComparer(Session.MessageContext);
bool success = true;
CallMethodResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
RequestHeader requestHeader = new RequestHeader();
requestHeader.ReturnDiagnostics = 0;
try
{
Session.Call(
requestHeader,
methodsToCall,
out results,
out diagnosticInfos);
}
catch (System.ServiceModel.CommunicationException e)
{
Log("WARNING: Communication error (random data may have resulted in a message that is too large). {0}", e.Message);
return(true);
}
catch (System.Xml.XmlException e)
{
Log("WARNING: XML parsing error (random data may have resulted in a message that is too large). {0}", e.Message);
return(true);
}
catch (ServiceResultException e)
{
if (e.StatusCode == StatusCodes.BadEncodingLimitsExceeded)
{
Log("WARNING: Communication error (random data may have resulted in a message that is too large). {0}", e.Message);
return(true);
}
throw new ServiceResultException(new ServiceResult(e));
}
ClientBase.ValidateResponse(results, methodsToCall);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, methodsToCall);
// check diagnostics.
if (diagnosticInfos != null && diagnosticInfos.Count > 0)
{
Log("Returned non-empty DiagnosticInfos array during Call.");
return(false);
}
// check results.
for (int ii = 0; ii < methodsToCall.Count; ii++)
{
CallMethodRequest request = methodsToCall[ii];
TestMethod method = (TestMethod)request.Handle;
if (request.ObjectId != method.Parent.NodeId)
{
if (results[ii].StatusCode != StatusCodes.BadMethodInvalid)
{
Log(
"Invalid result when method called on wrong object '{0}'. NodeId = {1}, Method = {2}, StatusCode = {3}",
method.Parent,
method.Parent.NodeId,
method.Method,
results[ii].StatusCode);
success = false;
break;
}
continue;
}
if (results[ii].StatusCode == StatusCodes.BadUserAccessDenied)
{
if (method.Method.UserExecutable)
{
Log(
"Call failed when calling an executable method '{0}'. NodeId = {1}, Method = {2}, StatusCode = {3}",
method.Parent,
method.Parent.NodeId,
method.Method,
results[ii].StatusCode);
success = false;
break;
}
continue;
}
if (results[ii].StatusCode == StatusCodes.BadNotImplemented)
{
continue;
}
if (request.InputArguments.Count != method.InputArguments.Count)
{
if (results[ii].StatusCode != StatusCodes.BadArgumentsMissing)
{
Log(
"Incorrect error returned when passing method wrong number of arguments '{0}'. NodeId = {1}, Method = {2}, StatusCode = {3}",
method.Parent,
method.Parent.NodeId,
method.Method,
results[ii].StatusCode);
success = false;
break;
}
continue;
}
if (results[ii].StatusCode == StatusCodes.BadInvalidArgument || results[ii].StatusCode == StatusCodes.BadOutOfRange)
{
if (results[ii].InputArgumentResults.Count != request.InputArguments.Count)
{
Log(
"Incorrect number of result returned when reporting argument error '{0}'. NodeId = {1}, Method = {2}, Expected = {3}, Actual = {4}",
method.Parent,
method.Parent.NodeId,
method.Method,
request.InputArguments.Count,
results[ii].InputArgumentResults.Count);
success = false;
break;
}
bool errorFound = false;
for (int jj = 0; jj < method.InputArguments.Count; jj++)
{
if (results[ii].InputArgumentResults[jj] != results[ii].StatusCode)
{
errorFound = true;
}
Argument argument = method.InputArguments[jj];
// check if data type matches.
TypeInfo typeInfo = TypeInfo.IsInstanceOfDataType(
request.InputArguments[jj].Value,
argument.DataType,
argument.ValueRank,
Session.NamespaceUris,
Session.TypeTree);
if (typeInfo == null)
{
if (results[ii].InputArgumentResults[jj] != StatusCodes.BadTypeMismatch)
{
Log(
"Incorrect error returned for invalid argument '{0}'. NodeId = {1}, Method = {2}, Argument = {3}, StatusCode = {4}",
method.Parent,
method.Parent.NodeId,
method.Method,
method.InputArguments[jj].Name,
results[ii].InputArgumentResults[jj]);
success = false;
}
continue;
}
if (results[ii].InputArgumentResults[jj] != StatusCodes.Good && results[ii].InputArgumentResults[jj] != StatusCodes.BadOutOfRange)
{
Log(
"Incorrect error returned for valid argument '{0}'. NodeId = {1}, Method = {2}, Argument = {3}, StatusCode = {4}",
method.Parent,
method.Parent.NodeId,
method.Method,
method.InputArguments[jj].Name,
results[ii].InputArgumentResults[jj]);
success = false;
}
}
if (!success)
{
break;
}
if (!errorFound)
{
Log(
"No matching argument level error for method '{0}'. NodeId = {1}, Method = {2}, StatusCode = {4}",
method.Parent,
method.Parent.NodeId,
method.Method,
results[ii].StatusCode);
success = false;
break;
}
continue;
}
if (StatusCode.IsBad(results[ii].StatusCode))
{
if (results[ii].StatusCode != StatusCodes.BadNotImplemented)
{
Log(
"Unexpected error when calling method '{0}'. NodeId = {1}, Method = {2}, StatusCode = {3}",
method.Parent,
method.Parent.NodeId,
method.Method,
results[ii].StatusCode);
success = false;
break;
}
continue;
}
if (results[ii].OutputArguments.Count != method.OutputArguments.Count)
{
Log(
"Incorrect number of output arguments '{0}'. NodeId = {1}, Method = {2}, Expected = {3}, Actual = {4}",
method.Parent,
method.Parent.NodeId,
method.Method,
method.OutputArguments.Count,
results[ii].OutputArguments.Count);
success = false;
break;
}
for (int jj = 0; jj < method.OutputArguments.Count; jj++)
{
Argument argument = method.OutputArguments[jj];
// check if data type matches.
TypeInfo typeInfo = TypeInfo.IsInstanceOfDataType(
results[ii].OutputArguments[jj].Value,
argument.DataType,
argument.ValueRank,
Session.NamespaceUris,
Session.TypeTree);
if (typeInfo == null)
{
Log(
"Datatype for output argument is invalid '{0}'. NodeId = {1}, Method = {2}, Argument = {3}, Value = {4}",
method.Parent,
method.Parent.NodeId,
method.Method,
method.OutputArguments[jj].Name,
results[ii].OutputArguments[jj]);
success = false;
continue;
}
// check for special test methods that return the input parameters.
if (method.Parent.BrowseName.Name == "MethodTest")
{
if (jj < request.InputArguments.Count)
{
if (!comparer.CompareVariant(request.InputArguments[jj], results[ii].OutputArguments[jj]))
{
Log(
"Output argument did not match input '{0}'. NodeId = {1}, Method = {2}, Argument = {3}, Value = {4}, Output = {5}",
method.Parent,
method.Parent.NodeId,
method.Method,
method.OutputArguments[jj].Name,
request.InputArguments[jj],
results[ii].OutputArguments[jj]);
success = false;
continue;
}
}
}
}
if (!success)
{
break;
}
}
return(success);
}
/// <summary>
/// Calls a method defined on a object.
/// </summary>
public virtual void Call(
OperationContext context,
CallMethodRequestCollection methodsToCall,
out CallMethodResultCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
if (context == null) throw new ArgumentNullException("context");
if (methodsToCall == null) throw new ArgumentNullException("methodsToCall");
bool diagnosticsExist = false;
results = new CallMethodResultCollection(methodsToCall.Count);
diagnosticInfos = new DiagnosticInfoCollection(methodsToCall.Count);
List<ServiceResult> errors = new List<ServiceResult>(methodsToCall.Count);
// add placeholder for each result.
bool validItems = false;
for (int ii = 0; ii < methodsToCall.Count; ii++)
{
results.Add(null);
errors.Add(null);
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos.Add(null);
}
// validate request paramaters.
errors[ii] = ValidateCallRequestItem(methodsToCall[ii]);
if (ServiceResult.IsBad(errors[ii]))
{
methodsToCall[ii].Processed = true;
// add diagnostics if requested.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos[ii] = ServerUtils.CreateDiagnosticInfo(m_server, context, errors[ii]);
diagnosticsExist = true;
}
continue;
}
// found at least one valid item.
validItems = true;
methodsToCall[ii].Processed = false;
}
// call each node manager.
if (validItems)
{
foreach (INodeManager nodeManager in m_nodeManagers)
{
nodeManager.Call(
context,
methodsToCall,
results,
errors);
}
}
for (int ii = 0; ii < methodsToCall.Count; ii++)
{
// set an error code for calls that were not handled by any node manager.
if (!methodsToCall[ii].Processed)
{
results[ii] = new CallMethodResult();
errors[ii] = StatusCodes.BadNodeIdUnknown;
}
// update the diagnostic info and ensure the status code in the result is the same as the error code.
if (errors[ii] != null && errors[ii].Code != StatusCodes.Good)
{
if (results[ii] == null)
{
results[ii] = new CallMethodResult();
}
results[ii].StatusCode = errors[ii].Code;
// add diagnostics if requested.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos[ii] = ServerUtils.CreateDiagnosticInfo(m_server, context, errors[ii]);
diagnosticsExist = true;
}
}
}
// clear the diagnostics array if no diagnostics requested or no errors occurred.
UpdateDiagnostics(context, diagnosticsExist, ref diagnosticInfos);
}
/// <summary>
/// Finishes an asynchronous invocation of the Call service.
/// </summary>
public ResponseHeader EndCall(
IAsyncResult result,
out CallMethodResultCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
CallResponse response = null;
try
{
if (UseTransportChannel)
{
IServiceResponse genericResponse = TransportChannel.EndSendRequest(result);
if (genericResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
ValidateResponse(genericResponse.ResponseHeader);
response = (CallResponse)genericResponse;
}
else
{
CallResponseMessage responseMessage = InnerChannel.EndCall(result);
if (responseMessage == null || responseMessage.CallResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
response = responseMessage.CallResponse;
ValidateResponse(response.ResponseHeader);
}
results = response.Results;
diagnosticInfos = response.DiagnosticInfos;
}
finally
{
RequestCompleted(null, response, "Call");
}
return response.ResponseHeader;
}
/// <summary>
/// Invokes the Call service.
/// </summary>
public virtual ResponseHeader Call(
RequestHeader requestHeader,
CallMethodRequestCollection methodsToCall,
out CallMethodResultCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
CallRequest request = new CallRequest();
CallResponse response = null;
request.RequestHeader = requestHeader;
request.MethodsToCall = methodsToCall;
UpdateRequestHeader(request, requestHeader == null, "Call");
try
{
if (UseTransportChannel)
{
IServiceResponse genericResponse = TransportChannel.SendRequest(request);
if (genericResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
ValidateResponse(genericResponse.ResponseHeader);
response = (CallResponse)genericResponse;
}
else
{
CallResponseMessage responseMessage = InnerChannel.Call(new CallMessage(request));
if (responseMessage == null || responseMessage.CallResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
response = responseMessage.CallResponse;
ValidateResponse(response.ResponseHeader);
}
results = response.Results;
diagnosticInfos = response.DiagnosticInfos;
}
finally
{
RequestCompleted(request, response, "Call");
}
return response.ResponseHeader;
}
protected override bool UnpublishAllConfiguredNodes(CancellationToken ct)
{
string logPrefix = $"{_logClassPrefix}:UnpublishAllConfiguredNodes:";
List <PublisherConfigurationFileEntryLegacyModel> configFileEntries = null;
bool result = true;
VariantCollection inputArgumentsTestserver = new VariantCollection()
{
TestserverUrl
};
try
{
CallMethodRequestCollection requests = new CallMethodRequestCollection();
CallMethodResultCollection results = new CallMethodResultCollection();
DiagnosticInfoCollection diagnosticInfos = null;
CallMethodRequest request = new CallMethodRequest
{
ObjectId = new NodeId("Methods", 2),
MethodId = new NodeId("GetPublishedNodes", 2),
};
request.InputArguments = inputArgumentsTestserver;
requests.Add(request);
try
{
ResponseHeader responseHeader = _session.Call(null, requests, out results, out diagnosticInfos);
}
catch (Exception e)
{
Logger.Fatal(e, $"{logPrefix} Exception");
}
if (StatusCode.IsBad(results[0].StatusCode))
{
Logger.Warning($"{logPrefix} call was not successfull (status: '{results[0].StatusCode}'");
}
else
{
if (results?[0]?.OutputArguments.Count == 1)
{
string stringResult = results[0].OutputArguments[0].ToString();
int jsonStartIndex = stringResult.IndexOf("[", StringComparison.InvariantCulture);
int jsonEndIndex = stringResult.IndexOf("]", StringComparison.InvariantCulture);
configFileEntries = JsonConvert.DeserializeObject <List <PublisherConfigurationFileEntryLegacyModel> >(stringResult.Substring(jsonStartIndex, jsonEndIndex - jsonStartIndex + 1));
foreach (var configFileEntry in configFileEntries)
{
if (configFileEntry.OpcNodes == null)
{
result &= UnpublishOneNode(new NodeIdInfo(configFileEntry.NodeId.ToString()));
}
else
{
foreach (var node in configFileEntry.OpcNodes)
{
result &= UnpublishOneNode(new NodeIdInfo(node.Id), configFileEntry.EndpointUrl.AbsoluteUri);
}
}
}
}
}
}
catch (Exception e)
{
Logger.Fatal(e, $"{logPrefix} Exception");
}
return(result);
}
/// <summary>
/// Calls the method.
/// </summary>
public void Call()
{
// build list of methods to call.
CallMethodRequestCollection methodsToCall = new CallMethodRequestCollection();
CallMethodRequest methodToCall = new CallMethodRequest();
methodToCall.ObjectId = m_objectId;
methodToCall.MethodId = m_methodId;
foreach (DataRow row in m_dataset.Tables[0].Rows)
{
Argument argument = (Argument)row[0];
Variant value = (Variant)row[4];
argument.Value = value.Value;
methodToCall.InputArguments.Add(value);
}
methodsToCall.Add(methodToCall);
// call the method.
CallMethodResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = m_session.Call(
null,
methodsToCall,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, methodsToCall);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, methodsToCall);
for (int ii = 0; ii < results.Count; ii++)
{
// display any input argument errors.
if (results[ii].InputArgumentResults != null)
{
for (int jj = 0; jj < results[ii].InputArgumentResults.Count; jj++)
{
if (StatusCode.IsBad(results[ii].InputArgumentResults[jj]))
{
DataRow row = m_dataset.Tables[0].Rows[jj];
row[5] = results[ii].InputArgumentResults[jj].ToString();
ResultCH.Visible = true;
}
}
}
// throw an exception on error.
if (StatusCode.IsBad(results[ii].StatusCode))
{
throw ServiceResultException.Create(results[ii].StatusCode, ii, diagnosticInfos, responseHeader.StringTable);
}
// display the output arguments
ResultCH.Visible = false;
NoArgumentsLB.Visible = m_outputArguments == null || m_outputArguments.Length == 0;
NoArgumentsLB.Text = "Method invoked successfully.\r\nNo output arguments to display.";
m_dataset.Tables[0].Rows.Clear();
if (m_outputArguments != null)
{
for (int jj = 0; jj < m_outputArguments.Length; jj++)
{
DataRow row = m_dataset.Tables[0].NewRow();
if (results[ii].OutputArguments.Count > jj)
{
UpdateRow(row, m_outputArguments[jj], results[ii].OutputArguments[jj], true);
}
else
{
UpdateRow(row, m_outputArguments[jj], Variant.Null, true);
}
m_dataset.Tables[0].Rows.Add(row);
}
}
}
}
/// <summary>
/// Invokes the Call service.
/// </summary>
/// <param name="requestHeader">The request header.</param>
/// <param name="methodsToCall">The methods to call.</param>
/// <param name="results">The results.</param>
/// <param name="diagnosticInfos">The diagnostic information for the results.</param>
/// <returns>
/// Returns a <see cref="ResponseHeader"/> object
/// </returns>
public override ResponseHeader Call(
RequestHeader requestHeader,
CallMethodRequestCollection methodsToCall,
out CallMethodResultCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
OperationContext context = ValidateRequest(requestHeader, RequestType.Call);
try
{
if (methodsToCall == null || methodsToCall.Count == 0)
{
throw new ServiceResultException(StatusCodes.BadNothingToDo);
}
m_serverInternal.NodeManager.Call(
context,
methodsToCall,
out results,
out diagnosticInfos);
return CreateResponse(requestHeader, context.StringTable);
}
catch (ServiceResultException e)
{
lock (ServerInternal.DiagnosticsLock)
{
ServerInternal.ServerDiagnostics.RejectedRequestsCount++;
if (IsSecurityError(e.StatusCode))
{
ServerInternal.ServerDiagnostics.SecurityRejectedRequestsCount++;
}
}
throw TranslateException(context, e);
}
finally
{
OnRequestComplete(context);
}
}
